from django.db import models


# Create your models here.

class Area(models.Model):
    name = models.CharField(max_length=20,
                            verbose_name='名称')

    parent = models.ForeignKey('self',
                               on_delete=models.SET_NULL,
                               related_name='subs',
                               null=True,
                               blank=True,
                               verbose_name='上级行政区')

    class Meta:
        db_table = 'tb_areas'
        verbose_name = '行政区划'

    def __str__(self):
        return self.name
